H1N1 Vaccine Trials Begin in St. Louis ST. LOUIS, MO (KBIA) - Clinical trials of a vaccine for swine flu began at St. Louis University Monday.

The Center for Vaccine Development is one of eight US sites testing dosage amounts and whether the vaccine can be given along with a yearly flu shot. Lead investigator Dr. Sharon Frey says initial results could be available in a few weeks and a vaccine could be ready by fall.

"The government has ordered huge amounts, hundreds of millions of doses of vaccines, and so it's a matter of how quickly the pharmaceuticals can manufacture that and get it shipped out."

Frey says young children and pregnant women will be given priority for getting shots once a vaccine is ready.
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